Navas Hearty Lentil and Mushroom Shepherd

Name: Nava's Hearty Lentil and Mushroom Shepherd
Ingredients: * 8 large or 10 medium potato; * 2 tablespoon nonhydrogenated margarine* optional, see note; * 1/2 cup rice milk; * salt to taste; * 2 tablespoon olive oil* optional, see note; * 1 large onion finely chopped; * 2 clove garlic minced; * 6 ounce cremini or baby bella mushroom; * 2 15-ounce can lentil or about 3 1/2 cup cooked lentil with a; little of their cooking liquid, lightly drained but not rinsed; * 2 tablespoon dry red wine optional; * 1-2 tablespoon reduced sodium soy sauce or bragg's liquid amino*; * 2 teaspoon seasoning blend such a spike or mr dash; * 1/2 teaspoon dried thyme; * freshly ground pepper to taste; * 3 tablespoon cornstarch or arrowroot; * 8-10 ounce baby spinach or arugula leaf; * 1 cup fresh bread crumb or panko bread crumb gluten free if needed